A resettable dose setting mechanism for a drug delivery device comprising a driver for driving a spindle of the drug delivery device is provided. Said driver comprises a first component (44； 207) and a second component (46； 212) rotationally coupled to said first component (44； 207). During resetting of said drug delivery device, said first component (44； 207) is rotationally decoupled from said second component (46； 212).
